15623440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 43354368

約数和(自身を除く): 27730928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1213, 1288, 1610, 1840, 2426, 2576, 3220, 4852, 6065, 6440, 8491, 9704, 12130, 12880, 16982, 19408, 24260, 27899, 33964, 42455, 48520, 55798, 67928, 84910, 97040, 111596, 135856, 139495, 169820, 195293, 223192, 278990, 339640, 390586, 446384, 557980, 679280, 781172, 976465, 1115960, 1562344, 1952930, 2231920, 3124688, 3905860, 7811720, 15623440]

約数ペア:

[(1, 15623440), (2, 7811720), (4, 3905860), (5, 3124688), (7, 2231920), (8, 1952930), (10, 1562344), (14, 1115960), (16, 976465), (20, 781172), (23, 679280), (28, 557980), (35, 446384), (40, 390586), (46, 339640), (56, 278990), (70, 223192), (80, 195293), (92, 169820), (112, 139495), (115, 135856), (140, 111596), (161, 97040), (184, 84910), (230, 67928), (280, 55798), (322, 48520), (368, 42455), (460, 33964), (560, 27899), (644, 24260), (805, 19408), (920, 16982), (1213, 12880), (1288, 12130), (1610, 9704), (1840, 8491), (2426, 6440), (2576, 6065), (3220, 4852)]